a virtually colourless and tasteless water-soluble protein prepared from collagen and used in food preparation as the basis of jellies, in photographic processes, and in glue 明胶,白明胶,胶,动物胶,骨胶 ■(一般作 blasting gelatin)a high explosive consisting chiefly of a gel of nitroglycerine with added cellulose nitrate 炸胶,爆胶
语源
early 19th cent.: from French gélatine, from Italian gelatina, from gelata, from Latin (see jelly)